 /*******************************************************************************
  * Copyright (c) 2000, 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  * Sebastian Davids <sdavids@gmx.de> - Images for menu items (27481)
  *******************************************************************************/
 package org.eclipse.ui.views.navigator;

 import org.eclipse.jface.action.IMenuManager;
 import org.eclipse.jface.action.MenuManager;
 import org.eclipse.ui.IActionBars;
 import org.eclipse.ui.internal.views.navigator.ResourceNavigatorMessages;

 /**
  * This is the action group for the sort and filter actions.
  */
 public class SortAndFilterActionGroup extends ResourceNavigatorActionGroup {

     private SortViewAction sortByTypeAction;

     private SortViewAction sortByNameAction;

     private FilterSelectionAction filterAction;

     /**
      * Constructor.
      *
      * @param navigator
      */
     public SortAndFilterActionGroup(IResourceNavigator navigator) {
         super(navigator);
     }

     protected void makeActions() {
         sortByNameAction = new SortViewAction(navigator, false);
         sortByTypeAction = new SortViewAction(navigator, true);

         filterAction = new FilterSelectionAction(navigator,
                 ResourceNavigatorMessages.ResourceNavigator_filterText);
         filterAction
                 .setDisabledImageDescriptor(getImageDescriptor("dlcl16/filter_ps.gif"));//$NON-NLS-1$
 filterAction
                 .setImageDescriptor(getImageDescriptor("elcl16/filter_ps.gif"));//$NON-NLS-1$
 }

     public void fillActionBars(IActionBars actionBars) {
         IMenuManager menu = actionBars.getMenuManager();
         IMenuManager submenu = new MenuManager(ResourceNavigatorMessages.ResourceNavigator_sort);
         menu.add(submenu);
         submenu.add(sortByNameAction);
         submenu.add(sortByTypeAction);
         menu.add(filterAction);
     }

     public void updateActionBars() {
         int criteria = navigator.getComparator().getCriteria();
         sortByNameAction.setChecked(criteria == ResourceComparator.NAME);
         sortByTypeAction.setChecked(criteria == ResourceComparator.TYPE);
     }
 }

